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All results from a given calculation for CH2NCH3 (N-methylmethanimine)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-133.895641
Energy at 298.15K-133.901166
HF Energy-133.895641
Nuclear repulsion energy72.165260
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3158 3027 34.97      
2 A' 3094 2965 26.22      
3 A' 3006 2881 62.62      
4 A' 2988 2863 50.10      
5 A' 1769 1695 19.24      
6 A' 1518 1455 19.45      
7 A' 1486 1424 3.29      
8 A' 1442 1382 1.48      
9 A' 1244 1193 15.01      
10 A' 1128 1081 0.52      
11 A' 989 948 13.64      
12 A' 473 454 5.75      
13 A" 3118 2988 17.88      
14 A" 1485 1423 4.40      
15 A" 1144 1096 0.08      
16 A" 1060 1016 18.56      
17 A" 700 671 1.20      
18 A" 225 216 8.72      

Unscaled Zero Point Vibrational Energy (zpe) 15013.8 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 14389.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31G**
ABC
1.77462 0.35654 0.31412

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.073 -0.415 0.000
N2 0.000 0.555 0.000
C3 1.187 0.116 0.000
H4 -0.736 -1.465 0.000
H5 -1.705 -0.246 0.879
H6 -1.705 -0.246 -0.879
H7 1.447 -0.955 0.000
H8 2.018 0.824 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44632.32181.10251.09571.09572.57763.3303
N21.44631.26552.14942.07902.07902.09122.0358
C32.32181.26552.48963.04473.04471.10211.0919
H41.10252.14942.48961.78781.78782.24223.5813
H51.09572.07903.04471.78781.75773.34873.9726
H61.09572.07903.04471.78781.75773.34873.9726
H72.57762.09121.10212.24223.34873.34871.8688
H83.33032.03581.09193.58133.97263.97261.8688

picture of N-methylmethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 117.626 N2 C1 H4 114.303
N2 C1 H5 108.960 N2 C1 H6 108.960
N2 C3 H7 123.930 N2 C3 H8 119.258
H4 C1 H5 108.841 H4 C1 H6 108.841
H5 C1 H6 106.662 H7 C3 H8 116.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.254      
2 N -0.319      
3 C -0.065      
4 H 0.106      
5 H 0.151      
6 H 0.151      
7 H 0.099      
8 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.301 -1.444 0.000 1.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.073 0.658 0.000
y 0.658 -20.612 0.000
z 0.000 0.000 -19.438
Traceless
 xyz
x 3.952 0.658 0.000
y 0.658 -2.856 0.000
z 0.000 0.000 -1.096
Polar
3z2-r2-2.191
x2-y24.539
xy0.658
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.077 0.090 0.000
y 0.090 4.034 0.000
z 0.000 0.000 2.739


<r2> (average value of r2) Å2
<r2> 48.245
(<r2>)1/2 6.946